Plan your trip
The best time to visit Perth
Perth sees average daytime highs of 23°C and overnight lows around 14°C across the year. Here's the month-by-month picture — based on a decade of climate data — so you can pick the right time to come.
17°C Cloudy in Perth
Winter · H 17° / L 12° · Cosy season — warm up indoors.
Warmest month
January
avg high 30°C
Coolest month
July
avg high 17°C
Wettest month
July
~112mm rain
Driest month
December
~8mm rain
Our pick
For the best balance of comfortable weather and fewer wet days, aim for December, November, October. If you don't mind the heat, January is peak summer; for cooler, quieter exploring, July is the mildest stretch. Whenever you come, you can always check what's on and our 48-hour itinerary.
Month by month
Average daily high & low temperature and total monthly rainfall.
| Month | Season | High | Low | Rainfall |
|---|---|---|---|---|
| January | Summer | 30°C | 19°C | 23mm |
| February | Summer | 30°C | 19°C | 20mm |
| March | Autumn | 28°C | 18°C | 40mm |
| April | Autumn | 24°C | 15°C | 42mm |
| May | Autumn | 21°C | 12°C | 77mm |
| June | Winter | 18°C | 11°C | 99mm |
| July | Winter | 17°C | 10°C | 112mm |
| August | Winter | 18°C | 10°C | 97mm |
| September | Spring | 19°C | 11°C | 47mm |
| October | Spring | 22°C | 13°C | 37mm |
| November | Spring | 25°C | 15°C | 21mm |
| December | Summer | 28°C | 17°C | 8mm |
Source: Open-Meteo historical climate data, 10-year averages (2014–2023). Day-to-day weather varies — check the current forecast before you travel.